Fix code indentation. No code changes.

content/events/src/nsDOMBeforeUnloadEvent.cpp

@@ -60,9 +60,9 @@ nsDOMBeforeUnloadEvent::nsDOMBeforeUnloadEvent(nsPresContext* aPresContext,
 nsDOMBeforeUnloadEvent::~nsDOMBeforeUnloadEvent() 
 {
   if (mEventIsInternal &&
-      mEvent->eventStructType == NS_BEFORE_PAGE_UNLOAD_EVENT) {
-      delete static_cast<nsBeforePageUnloadEvent*>(mEvent);
-      mEvent = nsnull;
+    mEvent->eventStructType == NS_BEFORE_PAGE_UNLOAD_EVENT) {
+    delete static_cast<nsBeforePageUnloadEvent*>(mEvent);
+    mEvent = nsnull;
   }
 }